function checkrequired(which) 
{
	var pass=true;
	if (document.images) 
	{
		for (i=0;i<which.length;i++) 
			{
				var tempobj=which.elements[i];
				if (tempobj.name.substring(0,2)=="v_") 
				{
					if (((tempobj.type=="text"||tempobj.type=="textarea")&&
					tempobj.value=='')||(tempobj.type.toString().charAt(0)=="s"&&
					tempobj.selectedIndex==0)) 
					{
						pass=false;
						break;
         			}
      			}
   			}
	}
	if (!pass) 
	{
		shortFieldname=tempobj.name.substring(2,30);
		alert("Please make sure the "+shortFieldname+" field was properly completed.");
		return false;
	}
	else
	return true;
}