// rollover

window.onload = function(){
linktag = document.getElementsByTagName('a');
	for(i=0;linktag.length>=i;i++){
		e = linktag[i];
		if(e){
			if(e.className == 'over'){
				e.onmouseover = function(){
					this.firstChild.setAttribute('src',this.firstChild.getAttribute('src').replace('_off.','_on.'));
				}
				e.onmouseout = function(){
					this.firstChild.setAttribute('src',this.firstChild.getAttribute('src').replace('_on.','_off.'));
				}
			}
		}
	}
}


// popup

function popup(url,w,h){
window.open(url,"pop","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width="+w+",height="+h)
}