function enterPress(){
    if(event.keyCode==13){
	checkform();
	return false;
    }
}

function enterPress2(){
    if(event.keyCode==13){
	checkform2();
	return false;
    }
}

function trim(inputString) {
    return inputString.replace(/^ +/,"").replace(/ +$/,"");
}

//项目url
function getProjectUrl(word,src){	
    var tb = 3;
    var l = '';
    l += 'http://so.821.com.cn/w';
    l += '?q=' + word;
    l += '&tb=' + tb;
    l += '&src=' + src;
    l += '&pn=0';
    return l;
}

function linkGoto(u){
    document.form1.action=u;
    document.form1.submit();
}
//点28搜索调用
function checkform(){
    var searchform = document.forms[0];
	

    var v = trim(searchform.q.value);
	
    var src = 0;

    if(v.length > 50){
	alert("您输入的关键字过长！");
	return false;
    }
    if(v == ""  || v.substring(0,3) =="请输入") {
	alert("请输入关键字！");
	return false;
    }
    var url = window.name;
    if(url.indexOf("src=") != -1 && url.indexOf("&") != -1){
	src = url.split("src=")[1].split("&")[0];
	if(src == null){
	    src = 0;
	}
	if(src != 0 && src != 1 && src != 2 && src != 3 && src != 4 && src != 5){
	    src = 2008;
	}
    }

    linkGoto(getProjectUrl(v,src));
}

function checkform2(){
    var searchform = document.form2;
	

    var v = trim(searchform.q.value);
	
    var src = 0;

    if(v.length > 50){
	alert("您输入的关键字过长！");
	return false;
    }
    if(v == ""  || v.substring(0,3) =="请输入") {
	alert("请输入关键字！");
	return false;
    }
    var url = window.name;
    if(url.indexOf("src=") != -1 && url.indexOf("&") != -1){
	src = url.split("src=")[1].split("&")[0];
	if(src == null){
	    src = 0;
	}
	if(src != 0 && src != 1 && src != 2 && src != 3 && src != 4 && src != 5){
	    src = 2008;
	}
    }

    linkGoto(getProjectUrl(v,src));
}