function changeHref(){
		var objValue=document.getElementById("type").value;
		 if(objValue=='1'){
		 	window.location.href="http://www.souml.com/gaoji_ent.html";
		 }
		 if(objValue=='2'){
		 	window.location.href="http://www.souml.com/gaoji_edu.html";
		 }
		 if(objValue=='3'){
		 	window.location.href="http://www.souml.com/gaoji_hos.html";
		 }
		 if(objValue=='4'){
		 	window.location.href="http://www.souml.com/gaoji_gov.html";
		 }
		 if(objValue=='5'){
		 	window.location.href="http://www.souml.com/gaoji_gov.html";
		 }
}