function moveFooter() {
			if (isID || isAll) {
				var colobj;
				
				if (isID) {
					var colobj1 = document.getElementById('col1');
					var colobj2 = document.getElementById('col2');
					var footerobj = document.getElementById('footer');
					}
				 
				else {
					var colobj1 = document.all('col1');
					var colobj2 = document.all('col2');
					var footerobj = document.all('footer');
					}
			
				
				
				if (colobj1.offsetHeight > colobj2.offsetHeight) {
					colobj = colobj1; 
				}
				else {
					colobj = colobj2; 
				}
						
		
		
				if (isID) {
					var footerpos = colobj.offsetTop + colobj.offsetHeight + 20;
					}
					
				else {
					var footerpos = colobj.pixelTop + colobj.offsetHeight + 20;
					}
			
		
				if (footerpos > 500) {
						footerobj.style.top = footerpos; 
						}
					else  {
						footerobj.style.top = 500;
						}
			 	}
			 
			 else {}
			 
		}