// JavaScript Document
function cateChange(selectObject){
	if (selectObject==null) return ;
		if (selectObject.selectedIndex<0) return ;
		var selectOption=selectObject.options[selectObject.selectedIndex];
		if (selectOption.value==""){
		for(var i=0;i<selectObject.options.length;i++){
		   if (selectObject.options[i].value=='0'){
			  selectObject.selectedIndex=i;
			  break;
		   }
		}
	}
}
function checkSearchForm(SearchForm)
{
	k=SearchForm.keywords.value;
	if(SearchForm.keywords.value == ''){
		alert('Please input a search term.');
		SearchForm.keywords.focus();
		return false;
	}
	if(SearchForm.urltype.value!=""){
		switch(parseInt(SearchForm.condition.value)){
			case 0:
				SearchForm.action="http://en.wenzhouglasses.com/TradeLead.shtml?lei=0&keywords=" + k;
				break;
			case 1:
				SearchForm.action="http://en.wenzhouglasses.com/TradeLead.shtml?lei=1&keywords=" + k;
				break;
			case 2:
				SearchForm.action="http://en.wenzhouglasses.com/product.shtml?keywords=" + k;
				break;
			case 3:
				SearchForm.action="http://en.wenzhouglasses.com/company.shtml?keywords=" + k;
				break;
		}
	}
	return true;
}
//每页次数跳转
function SelectPerPageItem(objForm,url){
	//alert(url)
	objForm.action=url;
	objForm.submit();
}
//分页跳转
function gotoPage(maxVal)
{
	var pageVal=document.getElementById("PageIndex");
	if (pageVal.value=="" || isNaN(pageVal.value) || pageVal.value<=0 || pageVal.value>maxVal){
		alert('Please input valid page number !');
		return false;
	}
	return true;
}