function extractVariableValue(varName, queryURL) {
	var varNameBeginIndex,varNameEndIndex;
	var variableValue;
	
	varNameBeginIndex=queryURL.indexOf(varName+"=");
	varNameEndIndex=queryURL.indexOf("&",varNameBeginIndex);
	if (varNameBeginIndex==-1) return "";
	if (varNameEndIndex==-1) varNameEndIndex=queryURL.length;
	variableValue=queryURL.substring(varNameBeginIndex+varName.length+1,varNameEndIndex);
	return variableValue;
}

function getBrowserWindowHeight() {
	var topWindow=window;
	while(topWindow.parent!=topWindow) {
		topWindow=window.parent;
	}
		  
	if (topWindow.document.documentElement && topWindow.document.documentElement.clientHeight) {
		return topWindow.document.documentElement.clientHeight;
	} 
	if (topWindow.innerHeight!=0) {
		return topWindow.innerHeight;
	}
	return false;
}

function resizeContentArea() {
	var contentAreaHeight=getBrowserWindowHeight()-190;
	if (window.parent==window) {
		var menuWindow=window;
		var contentFrame=window.frames['contentframe'];
	} else {
		var menuWindow=window.parent;
		var contentFrame=window;		
	}
	var pageHeight=contentFrame.document.getElementById("container").offsetHeight;
	var targetValue=Math.min(contentAreaHeight,pageHeight);
	menuWindow.document.getElementById("contentframe").style.height=targetValue+"px";
	menuWindow.document.getElementById("contentcontainer").style.height=targetValue+"px";
}