ng5 = (document.getElementById) ? true:false
ns4 = (document.layers) ? true:false
ie4 = (document.all) ? true:false 


function openPop(w,h,webaddress,name,scrolls) {
	 	var winLeft = (screen.availWidth/2)-(w/2);
		var winTop = (screen.availHeight/2)-(h/2);
		var scroll = scrolls;
		var viewimageWin = window.open(webaddress,name,'left='+winLeft+',top='+winTop+',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars='+scroll+',resizable=yes,copyhistory=no,width='+w+',height='+h);
		viewimageWin.focus();
	}

function openC2C(w,h,webaddress,name,scrolls) {
 	var winLeft = (screen.availWidth/2)-(w/2);
	var winTop = (screen.availHeight/2)-(h/2);
	var scroll = scrolls;
	var viewimageWin = window.open(webaddress,name,'left=0,top=0,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars='+scroll+',resizable=no,copyhistory=no,width='+w+',height='+h);
	viewimageWin.focus();
}

function switchDiv(divID,divTotal){
	var x = 1;	
	var y = divTotal;	
	if (ng5) {
		for (x=1;x<=y;x++) {
			var thisDiv = "d" + x;
			if (thisDiv == divID){ 			
				if (document.getElementById(thisDiv).style.display == "block"){
				document.getElementById(thisDiv).style.display = "none";
				}
				else {
				document.getElementById(thisDiv).style.display = "block";
				}
			} 
			else {
				document.getElementById(thisDiv).style.display = "none";
			}
		}
	} 
	else if (ns4) {
		for (x=1;x<=y;x++){
			var thisDiv = "d" + x;
			if (thisDiv = divID){ 
				if (document.layers[thisDiv].visibility == "show"){
				
				}
				else {
				document.layers[thisDiv].visibility = "show";
				}
			} 
			else {
				document.layers[thisDiv].visibility = "hidden";
			}
		}
	} 
	else if (ie4) {
		for (x=1;x<=y;x++){
			thisDiv = "d" + x;
			if (thisDiv = divID){ 
				if (document.all[thisDiv].style.display == "block"){
				document.all[thisDiv].style.display = "none";
				}
				else {
				document.all[thisDiv].style.display = "block";
				}
			} 
			else {
				document.all[thisDiv].style.display = "none";
			}
		}
	}	
}