<!--

function getOffsetTop2 (el, p) {
    var _t = el.offsetTop;
    while (el = el.offsetParent) {
        if (el == p) break;
        _t += el.offsetTop;
    }

    return _t;
};
function getOffsetLeft2 (el, p) {
    var _l = el.offsetLeft;
    while (el = el.offsetParent) {
        if (el == p) break;
        _l += el.offsetLeft;
    }

    return _l;
};
var tt;
var curMenu;
var curLi;
function mouseover (th, menu) {
    if (tt) clearTimeout(tt);
    displayMenu(false);
    menu = document.getElementById('menu' + menu);

    menu.style.left = getOffsetLeft2(th) + 'px';
    menu.style.top  = getOffsetTop2(th) + th.offsetHeight + 'px';

    curMenu = menu;
    displayMenu(true);
}
function mouseout () {
    tt = setTimeout('displayMenu(false)', 200);
}
function _mouseover () {
    if (tt) clearTimeout(tt);
    displayMenu(true);
}
function _mouseout () {
    displayMenu(false);
}
function displayMenu (display) {
    if (curMenu) {
        curMenu.style.display = display ? 'block' : 'none';
    }
}
function check_keywords(){
	var keywords = document.formsearch.skeyword.value;
	if(keywords=="" || keywords=="输入关键字"){
		alert("请输入搜索关键字");
		document.formsearch.skeyword.focus();
		return false;
	}else{
		return true;
	}
}

function setValue(v) {
	switch(v) {
		case '1':
			document.getElementById('textstrs').innerHTML = '找求购';
            document.getElementById('searchtype').value = 1;
			document.formsearch.action= "/offer/list.php";
			break;
		case '2':
			document.getElementById('textstrs').innerHTML = '找供应';
			document.getElementById('searchtype').value = 2;
			document.formsearch.action= "/offer/list.php";
			break;
		case '3':
			document.getElementById('textstrs').innerHTML = '找公司';		
			document.getElementById('searchtype').value = 3;
			document.formsearch.action= "/company.php";
			break;
		case '4':
			document.getElementById('textstrs').innerHTML = '找产品';
			document.getElementById('searchtype').value = 4;
			document.formsearch.action= "/product/list.php";
			break;
		case '5':
			document.getElementById('textstrs').innerHTML = '技术支持';
			document.getElementById('searchtype').value = 5;
			document.formsearch.action= "/news/list.php";
			break;
		case '7':
			document.getElementById('textstrs').innerHTML = '行业资讯';
			document.getElementById('searchtype').value = 7;
			document.formsearch.action= "/industry/list.php";
			break;
		case '8':
			document.getElementById('textstrs').innerHTML = '产品报价';
			document.getElementById('searchtype').value = 8;
			document.formsearch.action= "/price/list.php";
			break;			
	}
	document.getElementById('menu7').style.display = "none";
}
//-->