// JavaScript Document
function checklogin()
{
  if(loginForm.t1.value==""||loginForm.t2.value=="")
  {
     alert("请输入用户名和密码!");
	 loginForm.t1.focus();
	 return false;
  }
  var str="',;,//,--,@,exec,declare,=";
  var strs=str.split(",")
  for(i=0;i<strs.length;i++)
  {
    if(loginForm.t1.value.indexOf(strs[i])>-1||loginForm.t2.value.indexOf(strs[i])>-1)
     {
         alert("用户名和密码不能含有特殊字符!");
		 loginForm.t1.select();
         return false;
     }
  }
  loginForm.submit();
}

function checkform(){
	form=document.searchForm;
	if ((form.keywords.value=="请输入关键词")||(form.keywords.value=="")){
		alert("请输入关键词！");
		form.keywords.value="";
		form.keywords.focus();
		return false;
	}
	if (form.searchTypes.selectedIndex==0){
		alert("请选择搜索类型！");
		form.searchTypes.focus();
		return false;
	}else if (form.searchTypes.selectedIndex==1){
		form.action="/prods.asp";
	}else if (form.searchTypes.selectedIndex==2){
		form.action="/news1.asp";
	}
	form.submit();
}

function showFL(trName,curTr,totalTrNum){
	for(var i=1;i<=totalTrNum;i++){
		if (i==curTr){
			document.getElementById(trName+curTr).style.display="";
		}else{
			document.getElementById(trName+i).style.display="none";
		}
	}
}
//var className;
//function on_m_over(curTab){
//	className=event.srcElement.className
//	if (curTab==""){
//		event.srcElement.className="pro_m2_over";
//	}else{
//		event.srcElement.className="pro_m4_over";
//	}
//}
//function on_m_out(){
//	className=event.srcElement.className
//	event.srcElement.className=className;
//}
function on_m_click(n){
	switch(n){
		case 1:
			document.getElementById("pro1").className="pro_m2_over";
			document.getElementById("pro2").className="pro_m2_out";
			document.getElementById("pro3").className="pro_m3_out";
			break;
		case 2:
			document.getElementById("pro2").className="pro_m2_over";
			document.getElementById("pro1").className="pro_m1_out";			
			document.getElementById("pro3").className="pro_m3_out";
			
		case 3:
			document.getElementById("pro3").className="pro_m4_over";
			document.getElementById("pro1").className="pro_m1_out";
			document.getElementById("pro2").className="pro_m2_out";
			break;
			}
			
	
		for(var i=1;i<=3;i++){
		if (i==n){
			document.getElementById("proTr"+n).style.display="";
					
		}else{
			document.getElementById("proTr"+i).style.display="none";
		}
	}
	
}

function on_m_click1(n){
	switch(n){
		case 11:
			document.getElementById("pro11").className="pro_m2_over";
			document.getElementById("pro12").className="pro_m2_out";
			document.getElementById("pro13").className="pro_m3_out";
			break;
		case 12:
			document.getElementById("pro12").className="pro_m2_over";
			document.getElementById("pro11").className="pro_m1_out";			
			document.getElementById("pro13").className="pro_m3_out";
			
		case 13:
			document.getElementById("pro13").className="pro_m4_over";
			document.getElementById("pro11").className="pro_m1_out";
			document.getElementById("pro12").className="pro_m2_out";
			break;
			}
			
	
		for(var i=11;i<=13;i++){
		if (i==n){
			document.getElementById("proTr"+n).style.display="";
					
		}else{
			document.getElementById("proTr"+i).style.display="none";
		}
	}
}

function on_m_click2(n){
	switch(n){
		case 21:
			document.getElementById("pro21").className="pro_m2_over";
			document.getElementById("pro22").className="pro_m3_out";
			break;
		case 22:
			document.getElementById("pro22").className="pro_m4_over";
			document.getElementById("pro21").className="pro_m1_out";
			}
			
	
		for(var i=21;i<=22;i++){
		if (i==n){
			document.getElementById("proTr"+n).style.display="";
					
		}else{
			document.getElementById("proTr"+i).style.display="none";
		}
	}
}

function on_m_click3(n){
	switch(n){
		case 31:
			document.getElementById("pro31").className="pro_m2_over";
			document.getElementById("pro32").className="pro_m3_out";
			break;
		case 32:
			document.getElementById("pro32").className="pro_m4_over";
			document.getElementById("pro31").className="pro_m1_out";
			}
			
	
		for(var i=31;i<=32;i++){
		if (i==n){
			document.getElementById("proTr"+n).style.display="";
					
		}else{
			document.getElementById("proTr"+i).style.display="none";
		}
	}
}