function js_GetIdset(var_name, count)
{
	var id_set = "" ;
	for (var i=1;i<=count;i++)
		{
			if ($(var_name+i).checked )
			{
				is_check=true ;
				id_set += $F(var_name+i) +',' ; 
			}
		}
		return id_set.substring(0,( id_set.length - 1)) ;
}
function js_NewWindow(mypage,myname,w,h,scroll,pos){
	var win=null ;
	if(pos=="random")
	{
		LeftPosition=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;
		TopPosition=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;
	}
	if(pos=="center")
	{
		LeftPosition=(screen.width)?(screen.width-w)/2:100;
		TopPosition=(screen.height)?(screen.height-h)/2:100;
	}
	else if((pos!="center" && pos!="random") || pos==null)
	{
		LeftPosition=0;TopPosition=20
	}
	settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=no,directories=no,status=yes,menubar=no,toolbar=no,resizable=no';
	win=window.open(mypage,myname,settings,false);}

function js_EmailValidate(email)
{	
	var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i ;
	var returnval=emailfilter.test(email);
	return returnval;
	
}