image1 = new Image();
image1.src = "images/bt1_over.gif"
image2 = new Image();
image2.src = "images/bt2_over.gif"
image3 = new Image();
image3.src = "images/bt3_over.gif"
image4 = new Image();
image4.src = "images/bt4_over.gif"

function swap(target, state) {
	obj = eval("document.bt"+target);
	if (state==1) {
	obj.src = eval("image"+target+".src");
	} else {
	obj.src = "images/bt"+target+".gif"
	}
}



 function CheckValid(pass)
 {
   var FileNo=pass.SearchItem.value;
    if (FileNo == "")
	{ alert("Please Enter Search Criteria.")
       return false
    } 
    return true
 }
 
 
	function confirmDelete()
	{
	  if (confirm("Are You Sure You want to Delete this Item?"))
	     return true;
	  else
	    return false;
	}


			
		function change(picture) 
		{ 
		document.theimg.src = picture 
		}