var  queryString=window.location.search;

function getParameterjs(_name,queryString){

	var _return="";	
	queryString="&"+queryString.substring(1,queryString.length)+"&";
	_name="?"+_name+"=";
	var  pos=queryString.indexOf(_name); 
	
	if (pos!=-1){		
		pos=pos+_name.length;		
		var pos2=queryString.indexOf("&",pos); 		
		if (pos2!=-1){
			_return=queryString.substring(pos,pos2);
			
		}
		
	}
	return _return;
	
}