function selectLanguage(target){var host=location.hostname;var path=location.pathname+location.search+location.hash;if(path.length>4&&target!=''){var temp=(host=='www.4ipnet.com'||host=='4ipnet.com')?path.substring(4,path.length):path.substring(1,path.length);if(location.pathname=='/en/aboutus_news.php')self.location.href="http://www.4ipnet.com/"+target+"/aboutus_news.php";else self.location.href="http://www.4ipnet.com/"+target+"/"+temp;}
else if(target!=''){self.location.href="http://www.4ipnet.com/"+target;}}
function delSpace(t,x){var value=t.value;var n_value='';var count=0;var space=0;if(x==0){for(var i=0;i<value.length;i++){if(value.charAt(i).search(/\s/)==-1){count++;}}
if(count==0)t.value='';}
else{for(var i=0;i<value.length;i++){if(value.charAt(i).search(/\s/)==-1){n_value+=value.charAt(i);}
else{space++;}}
if(space>0)t.value=n_value;}}
function MM_findObj(n,d){var p,i,x;if(!d)d=document;if((p=n.indexOf("?"))>0&&parent.frmaes.length){d=parent.frmaes[n.substring(p+1)].document;n=n.substring(0,p);}
if(!(x=d[n])&&d.all)x=d.all[n];for(i=0;!x&&i<d.forms.length;i++)x=d.forms[i][n];for(i=0;!x&&d.layers&&i<d.layers.length;i++)x=MM_findObj(n,d.layers[i].document);if(!x&&d.getElementById)x=d.getElementById(n);return x;}
function MM_swapImage(){var i,j=0,x,a=MM_swapImage.arguments;document.MM_sr=new Array;for(i=0;i<(a.length-2);i+=3)
if((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x;if(!x.oSrc)x.oSrc=x.src;x.src=a[i+2];}}
function MM_swapImgRestore(){var i,x,a=document.MM_sr;for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++)x.src=x.oSrc;}
function MM_preloadImages(){var d=document;if(d.images){if(!d.MM_p)d.MM_p=new Array();var i,j=d.MM_p.length,a=MM_preloadImages.arguments;for(i=0;i<a.length;i++)
if(a[i].indexOf("#")!=0){d.MM_p[j]=new Image;d.MM_p[j++].src=a[i];}}}
function MM_swapImgRestore(){var i,x,a=document.MM_sr;for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++)x.src=x.oSrc;}
function checkemail(email){var str=/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/i;if(email.search(str)==-1)return false;else return true;}
function checkurl(url){var str=/^\w+((\.|-)\w+)*((\.|\/)\w+)(((\.|\/|-)\w+)|(\w+)|(\w+(\/)))+$/i;if(url.search(str)==-1)return false;else return true;}
function checkpw(pw){var str=/^[A-Za-z0-9]+(([A-Za-z0-9]+)|((\.|-)[A-Za-z0-9]+))+$/i;var str1=/^[A-Za-z]+(((\.|-)([A-Za-z]+))|([A-Za-z]+)|(([A-Za-z]+)(\.|-)))+[A-Za-z]+$/i;var str2=/^[0-9]+(((\.|-)([0-9]+))|([0-9]+)|(([0-9]+)(\.|-)))+[0-9]+$/i;if(pw.search(str)==-1){return false;}
else{if(pw.search(str1)!=-1||pw.search(str2)!=-1){return false;}
else{return true;}}}