function alignLayers() {
            //alert("hello");
			// width of page
			var pagewidth = 975;
			var leftedge = 16;
			if(document.layers)	   //NN4+
			{
				
				var winW = window.innerWidth - 16;
				if (winW < pagewidth) {
					winW = leftedge;
				}
				else {
					winW = ((winW - pagewidth)/2) + leftedge;
				}
				document.layers["leftLayer"].left = winW;
				
			}
			else if(document.getElementById)	  //gecko(NN6) + IE 5+
			{
				
				var winW = document.body.offsetWidth - 20;
				
				if (winW < pagewidth) {
					winW = leftedge;
				}
				else {
					winW = ((winW - pagewidth)/2) + leftedge;
				}
				var obj = document.getElementById("leftLayer");
				obj.style.left = winW +"px";
				
			}
			else if(document.all)	// IE 4
			{
				var winW = document.body.offsetWidth - 20;
				if (winW < pagewidth) {
					winW = leftedge;
				}
				else {
					winW = ((winW - pagewidth)/2) + leftedge;
				}
				document.all["leftLayer"].style.visibility = winW;
				
			}
		}
		//window.onload = alignLayers();

// function to validate input
function checkInput() {
  var missing=focusVal=""
  df=document.forms[0]
  arg_num = arguments.length
  j=1
  for(i=0;i<arg_num;i=i+2) {
     current_val = eval("df."+arguments[i]+".value")
     if ( current_val == "" ) {
        missing += "- " + arguments[j] + "\n"
        if ( focusVal=="" ) focusVal = arguments[i]
     }
     j=j+2
  }

  if (missing != "") {
    alert("The following information is required:\n"+missing)
    eval("df."+focusVal+".focus()")
    return false
  }
}