function tab1off(
				 
 document.getElementById('col1tab').className = '';
 document.getElementById('col2tab').className = '';
 document.getElementById('col3tab').className = '';
 document.getElementById('col4tab').className = '';
 document.getElementById('col5tab').className = '';
 document.getElementById('col6tab').className = '';
 document.getElementById('col7tab').className = '';
 document.getElementById('col8tab').className = '';
 
 document.getElementById('col1').style.display = 'none';
 document.getElementById('col2').style.display = 'none';
 document.getElementById('col3').style.display = 'none';
 document.getElementById('col4').style.display = 'none';
 document.getElementById('col5').style.display = 'none';
 document.getElementById('col6').style.display = 'none';
 document.getElementById('col7').style.display = 'none';
 document.getElementById('col8').style.display = 'none';
 
)


function col1() {
	tab1off();
	document.getElementById('col1tab').className = 'on';	
	document.getElementById('col1').style.display = 'block';

}

function col2() {
	tab1off();
	document.getElementById('col2tab').className = 'on';	
	document.getElementById('col2').style.display = 'block';

}

function col3() {
	tab1off();
	document.getElementById('col3tab').className = 'on';	
	document.getElementById('col3').style.display = 'block';

}

function col4() {
	tab1off();
	document.getElementById('col4tab').className = 'on';	
	document.getElementById('col4').style.display = 'block';

}

function col5() {
	tab1off();
	document.getElementById('col5tab').className = 'on';	
	document.getElementById('col5').style.display = 'block';

}

function col6() {
	tab1off();
	document.getElementById('col6tab').className = 'on';	
	document.getElementById('col6').style.display = 'block';

}

function col7() {
	tab1off();
	document.getElementById('col7tab').className = 'on';	
	document.getElementById('col7').style.display = 'block';

}

function col8() {
	tab1off();
	document.getElementById('col8tab').className = 'on';	
	document.getElementById('col8').style.display = 'block';

}















function semon(){
	document.getElementById('conftab').className = '';
	document.getElementById('semtab').className = 'on';
	document.getElementById('col1tab').className = '';
	document.getElementById('col2tab').className = '';
	document.getElementById('col3tab').className = '';
	document.getElementById('col1tab2').className = '';
	document.getElementById('conferences').style.display = 'none';
	document.getElementById('seminars').style.display = 'block';
	document.getElementById('webinars').style.display = 'none';
	document.getElementById('conferences2').style.display = 'none';
	document.getElementById('seminars2').style.display = 'none';
	document.getElementById('webinars2').style.display = 'none';
	
	document.getElementById('col7tab').className = '';
	document.getElementById('col8tab').className = '';
	document.getElementById('col7').style.display = 'none';
	document.getElementById('col8').style.display = 'none';
}

function col1() {
	document.getElementById('conftab').className = '';
	document.getElementById('semtab').className = '';
	document.getElementById('col1tab').className = 'on';
	document.getElementById('col2tab').className = '';
	document.getElementById('col3tab').className = '';
	document.getElementById('col1tab2').className = '';
	document.getElementById('conferences').style.display = 'none';
	document.getElementById('seminars').style.display = 'none';
	document.getElementById('webinars').style.display = 'block';
	document.getElementById('conferences2').style.display = 'none';
	document.getElementById('seminars2').style.display = 'none';
	document.getElementById('webinars2').style.display = 'none';
	
	document.getElementById('col7tab').className = '';
	document.getElementById('col8tab').className = '';
	document.getElementById('col7').style.display = 'none';
	document.getElementById('col8').style.display = 'none';
}


function col2() {
	document.getElementById('conftab').className = '';
	document.getElementById('semtab').className = '';
	document.getElementById('col1tab').className = '';
	document.getElementById('col2tab').className = 'on';
	document.getElementById('col3tab').className = '';
	document.getElementById('col1tab2').className = '';
	document.getElementById('conferences').style.display = 'none';
	document.getElementById('seminars').style.display = 'none';
	document.getElementById('webinars').style.display = 'none';
	document.getElementById('conferences2').style.display = 'block';
	document.getElementById('seminars2').style.display = 'none';
	document.getElementById('webinars2').style.display = 'none';
	
	document.getElementById('col7tab').className = '';
	document.getElementById('col8tab').className = '';
	document.getElementById('col7').style.display = 'none';
	document.getElementById('col8').style.display = 'none';
}

function col3(){
	document.getElementById('conftab').className = '';
	document.getElementById('semtab').className = '';
	document.getElementById('col1tab').className = '';
	document.getElementById('col2tab').className = '';
	document.getElementById('col3tab').className = 'on';
	document.getElementById('col1tab2').className = '';
	document.getElementById('conferences').style.display = 'none';
	document.getElementById('seminars').style.display = 'none';
	document.getElementById('webinars').style.display = 'none';
	document.getElementById('conferences2').style.display = 'none';
	document.getElementById('seminars2').style.display = 'block';
	document.getElementById('webinars2').style.display = 'none';
	
	document.getElementById('col7tab').className = '';
	document.getElementById('col8tab').className = '';
	document.getElementById('col7').style.display = 'none';
	document.getElementById('col8').style.display = 'none';
}

function webon2() {
	document.getElementById('conftab').className = '';
	document.getElementById('semtab').className = '';
	document.getElementById('col1tab').className = '';
	document.getElementById('col2tab').className = '';
	document.getElementById('col3tab').className = '';
	document.getElementById('col1tab2').className = 'on';
	document.getElementById('conferences').style.display = 'none';
	document.getElementById('seminars').style.display = 'none';
	document.getElementById('webinars').style.display = 'none';
	document.getElementById('conferences2').style.display = 'none';
	document.getElementById('seminars2').style.display = 'none';
	document.getElementById('webinars2').style.display = 'block';
	
	document.getElementById('col7tab').className = '';
	document.getElementById('col8tab').className = '';
	document.getElementById('col7').style.display = 'none';
	document.getElementById('col8').style.display = 'none';
}


function col7() {
	document.getElementById('conftab').className = '';
	document.getElementById('semtab').className = '';
	document.getElementById('col1tab').className = '';
	document.getElementById('col2tab').className = '';
	document.getElementById('col3tab').className = '';
	document.getElementById('col1tab2').className = '';
	document.getElementById('col8tab').className = '';
	document.getElementById('col7tab').className = 'on';
	document.getElementById('conferences').style.display = 'none';
	document.getElementById('seminars').style.display = 'none';
	document.getElementById('webinars').style.display = 'none';
	document.getElementById('conferences2').style.display = 'none';
	document.getElementById('seminars2').style.display = 'none';
	document.getElementById('webinars2').style.display = 'none';	
	document.getElementById('col8').style.display = 'none';	
	document.getElementById('col7').style.display = 'block';	
}

function col8() {
	document.getElementById('conftab').className = '';
	document.getElementById('semtab').className = '';
	document.getElementById('col1tab').className = '';
	document.getElementById('col2tab').className = '';
	document.getElementById('col3tab').className = '';
	document.getElementById('col1tab2').className = '';
	document.getElementById('col7tab').className = '';
	document.getElementById('col8tab').className = 'on';
	document.getElementById('conferences').style.display = 'none';
	document.getElementById('seminars').style.display = 'none';
	document.getElementById('webinars').style.display = 'none';
	document.getElementById('conferences2').style.display = 'none';
	document.getElementById('seminars2').style.display = 'none';
	document.getElementById('webinars2').style.display = 'none';	
	document.getElementById('col7').style.display = 'none';	
	document.getElementById('col8').style.display = 'block';	
}






function confon3() {
	document.getElementById('conftab3').className = 'on';
	document.getElementById('semtab3').className = '';
	document.getElementById('col1tab3').className = '';
	document.getElementById('conftab4').className = '';
	document.getElementById('semtab4').className = '';
	document.getElementById('col1tab4').className = '';
	document.getElementById('conferences3').style.display = 'block';
	document.getElementById('seminars3').style.display = 'none';
	document.getElementById('webinars3').style.display = 'none';
	document.getElementById('conferences4').style.display = 'none';
	document.getElementById('seminars4').style.display = 'none';
	document.getElementById('webinars4').style.display = 'none';
}

function semon3(){
	document.getElementById('conftab3').className = '';
	document.getElementById('semtab3').className = 'on';
	document.getElementById('col1tab3').className = '';
	document.getElementById('conftab4').className = '';
	document.getElementById('semtab4').className = '';
	document.getElementById('col1tab4').className = '';
	document.getElementById('conferences3').style.display = 'none';
	document.getElementById('seminars3').style.display = 'block';
	document.getElementById('webinars3').style.display = 'none';
	document.getElementById('conferences4').style.display = 'none';
	document.getElementById('seminars4').style.display = 'none';
	document.getElementById('webinars4').style.display = 'none';
}

function webon3() {
	document.getElementById('conftab3').className = '';
	document.getElementById('semtab3').className = '';
	document.getElementById('col1tab3').className = 'on';
	document.getElementById('conftab4').className = '';
	document.getElementById('semtab4').className = '';
	document.getElementById('col1tab4').className = '';
	document.getElementById('conferences3').style.display = 'none';
	document.getElementById('seminars3').style.display = 'none';
	document.getElementById('webinars3').style.display = 'block';
	document.getElementById('conferences4').style.display = 'none';
	document.getElementById('seminars4').style.display = 'none';
	document.getElementById('webinars4').style.display = 'none';
}


function confon4() {
	document.getElementById('conftab3').className = '';
	document.getElementById('semtab3').className = '';
	document.getElementById('col1tab3').className = '';
	document.getElementById('conftab4').className = 'on';
	document.getElementById('semtab4').className = '';
	document.getElementById('col1tab4').className = '';
	document.getElementById('conferences3').style.display = 'none';
	document.getElementById('seminars3').style.display = 'none';
	document.getElementById('webinars3').style.display = 'none';
	document.getElementById('conferences4').style.display = 'block';
	document.getElementById('seminars4').style.display = 'none';
	document.getElementById('webinars4').style.display = 'none';
}

function semon4(){
	document.getElementById('conftab3').className = '';
	document.getElementById('semtab3').className = '';
	document.getElementById('col1tab3').className = '';
	document.getElementById('conftab4').className = '';
	document.getElementById('semtab4').className = 'on';
	document.getElementById('col1tab4').className = '';
	document.getElementById('conferences3').style.display = 'none';
	document.getElementById('seminars3').style.display = 'none';
	document.getElementById('webinars3').style.display = 'none';
	document.getElementById('conferences4').style.display = 'none';
	document.getElementById('seminars4').style.display = 'block';
	document.getElementById('webinars4').style.display = 'none';
}

function webon4() {
	document.getElementById('conftab3').className = '';
	document.getElementById('semtab3').className = '';
	document.getElementById('col1tab3').className = '';
	document.getElementById('conftab4').className = '';
	document.getElementById('semtab4').className = '';
	document.getElementById('col1tab4').className = 'on';
	document.getElementById('conferences3').style.display = 'none';
	document.getElementById('seminars3').style.display = 'none';
	document.getElementById('webinars3').style.display = 'none';
	document.getElementById('conferences4').style.display = 'none';
	document.getElementById('seminars4').style.display = 'none';
	document.getElementById('webinars4').style.display = 'block';
}







function confon5() {
	document.getElementById('conftab5').className = 'on';
	document.getElementById('semtab5').className = '';
	document.getElementById('col1tab5').className = '';
	document.getElementById('conftab6').className = '';
	document.getElementById('semtab6').className = '';
	document.getElementById('col1tab6').className = '';
	document.getElementById('conferences5').style.display = 'block';
	document.getElementById('seminars5').style.display = 'none';
	document.getElementById('webinars5').style.display = 'none';
	document.getElementById('conferences6').style.display = 'none';
	document.getElementById('seminars6').style.display = 'none';
	document.getElementById('webinars6').style.display = 'none';
}

function semon5(){
	document.getElementById('conftab5').className = '';
	document.getElementById('semtab5').className = 'on';
	document.getElementById('col1tab5').className = '';
	document.getElementById('conftab6').className = '';
	document.getElementById('semtab6').className = '';
	document.getElementById('col1tab6').className = '';
	document.getElementById('conferences5').style.display = 'none';
	document.getElementById('seminars5').style.display = 'block';
	document.getElementById('webinars5').style.display = 'none';
	document.getElementById('conferences6').style.display = 'none';
	document.getElementById('seminars6').style.display = 'none';
	document.getElementById('webinars6').style.display = 'none';
}

function webon5() {
	document.getElementById('conftab5').className = '';
	document.getElementById('semtab5').className = '';
	document.getElementById('col1tab5').className = 'on';
	document.getElementById('conftab6').className = '';
	document.getElementById('semtab6').className = '';
	document.getElementById('col1tab6').className = '';
	document.getElementById('conferences5').style.display = 'none';
	document.getElementById('seminars5').style.display = 'none';
	document.getElementById('webinars5').style.display = 'block';
	document.getElementById('conferences6').style.display = 'none';
	document.getElementById('seminars6').style.display = 'none';
	document.getElementById('webinars6').style.display = 'none';
}


function confon6() {
	document.getElementById('conftab5').className = '';
	document.getElementById('semtab5').className = '';
	document.getElementById('col1tab5').className = '';
	document.getElementById('conftab6').className = 'on';
	document.getElementById('semtab6').className = '';
	document.getElementById('col1tab6').className = '';
	document.getElementById('conferences5').style.display = 'none';
	document.getElementById('seminars5').style.display = 'none';
	document.getElementById('webinars5').style.display = 'none';
	document.getElementById('conferences6').style.display = 'block';
	document.getElementById('seminars6').style.display = 'none';
	document.getElementById('webinars6').style.display = 'none';
}

function semon6(){
	document.getElementById('conftab5').className = '';
	document.getElementById('semtab5').className = '';
	document.getElementById('col1tab5').className = '';
	document.getElementById('conftab6').className = '';
	document.getElementById('semtab6').className = 'on';
	document.getElementById('col1tab6').className = '';
	document.getElementById('conferences5').style.display = 'none';
	document.getElementById('seminars5').style.display = 'none';
	document.getElementById('webinars5').style.display = 'none';
	document.getElementById('conferences6').style.display = 'none';
	document.getElementById('seminars6').style.display = 'block';
	document.getElementById('webinars6').style.display = 'none';
}

function webon6() {
	document.getElementById('conftab5').className = '';
	document.getElementById('semtab5').className = '';
	document.getElementById('col1tab5').className = '';
	document.getElementById('conftab6').className = '';
	document.getElementById('semtab6').className = '';
	document.getElementById('col1tab6').className = 'on';
	document.getElementById('conferences5').style.display = 'none';
	document.getElementById('seminars5').style.display = 'none';
	document.getElementById('webinars5').style.display = 'none';
	document.getElementById('conferences6').style.display = 'none';
	document.getElementById('seminars6').style.display = 'none';
	document.getElementById('webinars6').style.display = 'block';
}