function checkSearch(form) { 
		var searchCriteria = window.document.form.search.value;
		if(searchCriteria == ""){
			alert("Please enter your Search Criteria.");
			form.search.focus();
		}else{
			form.method="post";
			form.target="_self";
			form.action="http://cnrp.ccnmatthews.com/client/cnrp.Controller?action=searchReleases&compId=8941&client=methanex";
			form.submit();
		}
	
	}