function openWin(url){
		var width = screen.width / 2;	
		var height = screen.height / 2;		
		var posX = screen.width / 4;
		var posY = screen.height / 4;
		var option = "width=" + width + ", height=" + height + ", left=" + posX + ", top=" + posY + ", fullscreen=0, toolbar=0, location=0, directories=0, status=1, menubar=0, scrollbars=1, resizable=1";
		return window.open(url, '_blank', option);
	}
	
	function openWinFullScreen(url){
		var width = screen.width * 0.9;	
		var height = screen.height * 0.9;		
		var posX = screen.width * 0.1/2;
		var posY = screen.height * 0.1/2;
		var option = "width=" + width + ", height=" + height + ", left=" + posX + ", top=" + posY + ", fullscreen=0, toolbar=1, location=1, directories=1, status=1, menubar=1, scrollbars=1, resizable=1";
		return window.open(url, '_blank', option);
	}
	
	function navigate(frameName, url){
		parent.frames[frameName].location.href = url;
	}
	
	function autoFitFrame(frameName, maxWidth, maxHeight){
		if(parent != null){
			var frm = parent.window.document.getElementById(frameName);
			if(frm != null){
				if(maxHeight != -1){
					if(document.body.scrollHeight <= maxHeight){
						frm.height = document.body.scrollHeight;
					}else{						
						frm.height = maxHeight;
					}
				}
				if(maxWidth != -1){
					if(document.body.scrollWidth <= maxWidth){
						frm.width = document.body.scrollWidth;
					}else{						
						frm.width = maxWidth;
					}
				}
			}
		}
	}
	
	function coordinate(elemName){
		var e = {};
		e.left = 0;
		e.top = 0;
		var elem = document.getElementById(elemName);
		var now = elem;
		while(now.tagName != null && now.tagName.toUpperCase() != "BODY") {
			e.left += now.offsetLeft;
			e.top += now.offsetTop;
			now = now.offsetParent;
		}
		e.bottom = e.top + elem.offsetHeight;
		e.right = e.left + elem.offsetWidth;
		return e; 
	}
	
	var TRange = null;					
	function searchString (str) {
		if(str == null || str.length == 0 )return;			
		var strFound = false;
		if ( parseInt( navigator.appVersion ) < 4 ) return;
		if ( navigator.appName == "Netscape" ) {
			if ( !window.find(str) ) {
				while ( window.find(str,0,1)) continue;
			}
		}
		if ( navigator.appName.indexOf("Microsoft") != -1 ) {				
			if ( TRange != null ) {
				TRange.collapse(false);
				strFound = TRange.findText(str);
				if ( strFound ) TRange.select();
			}
			if ( TRange == null || strFound == false ) {
				TRange = window.document.body.createTextRange();
				strFound = TRange.findText(str);
				if ( strFound ) TRange.select();
			}
		}						 
		if ( !strFound ) alert ("'" + str + "' not found!");
	}
	
	function showOrHide(itemId, operation){
		var tmp = document.getElementById(itemId);
		if(operation == "show"){
			tmp.style.display = "";
		}else{
			tmp.style.display = "none";
		}
	}