<!--
//图片尺寸自动等比例缩放
function ImgAuto(i,w,h){//你必须给图片提前设定初始宽度和高度，建议直接就是最大宽度和高度
	var MaxW=w; //定义图片显示的最大宽度
	var MaxH=h; //定义图片显示的最大高度
	var o=new Image();o.src=i.src;var w=o.width;var h=o.height;var t;if (w>MaxW){t=MaxW;}else{t=w;}
	if ((h*t/w)>MaxH){i.height=MaxH;i.width=MaxH/h*w;}else{i.width=t;i.height=t/w*h;}
}

function clear_text(obj,str){
(document.getElementById(obj).value == str)?(document.getElementById(obj).value=""):"";
}
//改变字体大小
function ChangeFontStyle(ss,modcontent,modk,len,ttclassbg,ttclassnobg,nrclass)
	{
		for(i=1; i <len; i++)
		  {
			
			if (i==modk)
			{
				document.getElementById(ss+i).className=ttclassbg;
				document.getElementById(modcontent).className=nrclass;
			}		
		  else
			{
				document.getElementById(ss+i).className=ttclassnobg;
			}
			
		  }
	}

//滑动门特效
  function switchmodTag(ss,modcontent,modk,len,ttclassbg,ttclassnobg,nrclassnone,nrclass)
                {for(i=1; i <len; i++)
                  {if (i==modk)
                    {document.getElementById(ss+i).className=ttclassbg;document.getElementById(modcontent+i).className=nrclass;}
                  else
                    {document.getElementById(ss+i).className=ttclassnobg;document.getElementById(modcontent+i).className=nrclassnone;}
                  }
                }


//导航特效
function dhorver_table(num)
{
	document.getElementById("lm_table"+num).className='borderover';
	document.getElementById("lm_td"+num).className='dhover';
	
}

function dhout_table(num)
{
	document.getElementById("lm_table"+num).className='borderpt';
	document.getElementById("lm_td"+num).className='dhpt';
	
}

function dhorver_td(obj)
{
	obj.className='dhson_over';
	
}

function dhout_td(obj)
{
	obj.className='dhson_pt';
	
}


document.oncontextmenu=new Function("event.returnValue=false;alert('请勿下载本公司图片');");
document.onselectstart=new Function("event.returnValue=false;alert('请勿下载本公司图片');");


function checkform()
{
	if (document.form_s.lxr.value == ""){
		alert ("提示：\n\n请填写联系人姓名！");
		document.form_s.lxr.focus();
		return false;
	}
	
	if(document.form_s.mail.value.length!=0) { 
		
				if (document.form_s.mail.value.charAt(0)=="." || document.form_s.mail.value.charAt(0)=="@"|| document.form_s.mail.value.indexOf('@', 0) == -1 || document.form_s.mail.value.indexOf('.', 0) == -1 || document.form_s.mail.value.lastIndexOf("@")==document.form_s.mail.value.length-1 || document.form_s.mail.value.lastIndexOf(".")==document.form_s.mail.value.length-1) { 
				alert("提示：\n\nE-mail格式不正确，请输入正确的Email！"); 
				document.form_s.mail.focus(); 
				return false; 
							} 
			}
				else { 
				alert("提示：\n\n请填写E-mail！"); 
				document.form_s.mail.focus(); 
				return false; 
					}
		
		if (document.form_s.yzm.value==""){
			alert("提示：\n\n请填写验证码！");
			document.form_s.yzm.focus();
			return false;
		}
	
return true;
}
function keyup(obj)
{obj.value=obj.value.replace(/\D/g,'');}
function paste(obj)
{
obj.value=obj.value.replace(/\D/g,'');
}
function getyzm()
{
	document.getElementById('yzma').src='js/checkcode.asp?dumy='+ Math.random();
}

-->