function soString() {
    var qc=document.srchForm.qc.value;
	return qc;
}
function srchAct(soWhat,selfObj) {
	var tag = document.getElementById("tags").getElementsByTagName("a");
	var taglength=tag.length;
	for(i=0; i<taglength; i++) {
		tag[i].className = "";
	}
	selfObj.className="focus";
	var soType=selfObj.so;
	document.srchForm.st.value=soType;
	if(soString()==""||soString()=="请输入关键词") {
		document.srchForm.qc.value="";
	}
	else {
		soAction(soWhat);
	}
}
function fetchResult() {
	if(soString()==""||soString()=="请输入关键词") {
		srchForm.qc.focus();
	}
	else {
	    var tag=document.getElementById("tags").getElementsByTagName("a");
	    var taglength=tag.length;
	    for(i=0; i<taglength; i++) {
		    if(tag[i].className=="focus"){
		        var soWhat=tag[i].so;
		    	soAction(soWhat);
		    }
	    }
	}
	return false;
}
function soAction(soWhat) {
	var qc=soString();
	var sm=checkSM();
	var bw = checkBW();
	var bh = checkBH();
    switch(soWhat) {
		case "news":window.location="search.asp?sm="+sm+"&bw="+bw+"&bh="+bh+"&st=news&qc="+qc; break;
		case "web":window.location="search.asp?sm="+sm+"&bw="+bw+"&bh="+bh+"&st=web&qc="+qc; break;
		case "image":window.location="search.asp?sm="+sm+"&bw="+bw+"&bh="+bh+"&st=image&qc="+qc; break;
		case "music":window.location="search.asp?sm="+sm+"&bw="+bw+"&bh="+bh+"&st=music&qc="+qc; break;
		case "video":window.location="search.asp?sm="+sm+"&bw="+bw+"&bh="+bh+"&st=video&qc="+qc; break;
		case "place":window.location="search.asp?sm="+sm+"&bw="+bw+"&bh="+bh+"&st=place&qc="+qc; break;
		case "goods":window.location="search.asp?sm="+sm+"&bw="+bw+"&bh="+bh+"&st=goods&qc="+qc; break;
		case "word":window.location="search.asp?sm="+sm+"&bw="+bw+"&bh="+bh+"&st=word&qc="+qc; break;
		case "soft":window.location="search.asp?sm="+sm+"&bw="+bw+"&bh="+bh+"&st=soft&qc="+qc; break;
		case "more":window.location="search.asp?sm="+sm+"&bw="+bw+"&bh="+bh+"&st=more&qc="+qc; break;
		default:window.location="search.asp?sm="+sm+"&bw="+bw+"&bh="+bh+"&st=web&qc="+qc;
	}
}
function checkSM() {
	var scWidth=parseInt(window.screen.width);
	var scHeight=parseInt(window.screen.width);
	var sm=parseInt((scWidth+scHeight)/10);
	return sm;
}
function checkBW() {
	var brWidth = parseInt(document.body.clientWidth);
	return brWidth;
}
function checkBH() {
	var brHeight =parseInt(document.body.clientHeight);
	return brHeight;
}
function setSB() {
	var sm=checkSM();
	var bw = checkBW();
	var bh = checkBH();
	document.srchForm.sm.value=sm;
	document.srchForm.bw.value=bw;
	document.srchForm.bh.value=bh;
}