var checkobj


	function submitForm (){
	  document.searchForm.submit() ;
	}
	
	function switchStatus(el, cl){
		checkobj=el
		//alert(el.checked)
		if (document.all||document.getElementById){
			var x=0;
			var cpt=0;
			for (i=0;i<checkobj.form.length;i++){  //hunt down submit button
				var tempobj=checkobj.form.elements[i]
				if(tempobj.className == cl) {
					tempobj.disabled = !el.checked;
				}
				if(tempobj.type == "checkbox") {
					cpt++;
					//alert (tempobj.name + ' : ' + tempobj.checked);
					x = (!tempobj.checked)? x+1: x;
				}	
			}
			
			//alert (x + '<--x : cpt --> ' + cpt);
			
			
			if(cpt == x) {
				document.getElementById("go_button").innerHTML = "<img src='../media/images/nav_pubs/go.gif' name='go_button' width='50' height='25' border='0' id='goButton'/>";
			}
			else {
				document.getElementById("go_button").innerHTML = "<img src='../media/images/nav_pubs/go.gif' name='go_button' width='50' height='25' border='0' id='goButton' onmouseout='MM_swapImgRestore()' onmouseover=\"MM_swapImage('go_button','','../media/images/nav_pubs/go_on.gif',1)\" onclick='submitForm()' />";
			}
			
		}
		//switchSubmitStatus(el);
		return el.checked;
	}
	
	function activateKWCheckBox(){
		
		if (document.forms[0].query_string.value !=""){
			document.forms[0].keywordCH.checked = true;
		}
		
	}
	
	function switchSubmitStatus(el){
		if (document.all||document.getElementById){
			//var submitStatus = document.getElementById("search");
			var x=0;
			var cpt=0;
			for (i=0;i<checkobj.form.length;i++){  //hunt down submit button
				var tempobj=checkobj.form.elements[i]
				if(tempobj.type == "checkbox") {
					cpt++;
					//alert (tempobj.name + ' : ' + tempobj.checked);
					x = (tempobj.checked)? x+1: x;
				}
				
			}
			
			//alert (x + '<--x : cpt --> ' + cpt);
			
			if(cpt == x) {
				document.getElementById("search").disabled = true;
			}
			else {
				document.getElementById("search").disabled = false;
			}
		}
		return document.getElementById("search").disabled;
	}