function commonPop(pFile, pWidth, pHeight,pStatus){
	var fName = pFile.substring(pFile.lastIndexOf('/')+1, pFile.length);
	var wName = "pop_"+fName.substring(0, fName.indexOf('.'));
	if(pWidth == null){ pWidth = 700}
	if(pHeight == null){ pHeight = 600}
	if(pStatus == null){ pStatus = 'yes';}
	if(pWidth > screen.availWidth){
		pWidth = screen.availWidth;
		pStatus = 'yes';
	}
	if(pHeight > screen.availHeight-50){
		pHeight = screen.availHeight-50;
		pStatus = 'yes';
	}
	var wFeatures= 'menubar=no,scrollbars='+pStatus+',resizable='+pStatus+',width='+pWidth+',height='+pHeight;
	void(window.open(pFile, wName, wFeatures));
}