String.prototype.trim = function() {
	return this.replace(/(^[\s]*)|([\s]*$)/g, "");
}
function strLength(str){
		try{
			var valueLen = 0;
	        for (i = 0; i < str.length; i ++){
	            var code = escape(str.charAt(i));
	            if ((code.length >= 4) && (code < '%uFF00' || code > '%uFFFF')){
	                valueLen += 2;
	                //这里表示是全角字符
	            }else{
	                valueLen ++;
	                //这里是半角
	            }
				
		    }
			return valueLen;
		}catch (ex){//alert(ex.description);
		}
}

function getName(str,len){
	try{
		var num_need=40;
		if(len>0){
			num_need=len;
		}
		var num_str=strLength(str);
		var str_temp="";
		if(num_need < num_str){//大于,那么截取指定长度
			var nt=0;
			for(var i=0;i<str.length;i++){
				if(nt>=num_need){
					break;
				}else{
					str_temp+=str.charAt(i);
				}
								
				var code = escape(str.charAt(i));
				if ((code.length >= 4) && (code < '%uFF00' || code > '%uFFFF')){
					nt+=2;
					//这里表示是全角字符
				}else{
					nt++;
					//这里是半角
				}
			}
			str_temp+="..";
		}else{
			str_temp=str;
		}
		return str_temp;
		
	}catch (ex){//alert(ex.description);
	}
}

function replaceMsg(rm){
	if(rm==null) rm="";
		while(rm.indexOf("\'")>-1){
			rm = rm.replace("\'","‘");
		}
		while(rm.indexOf("\"")>-1){
			rm = rm.replace("\"","“");
		}
		while(rm.indexOf("\<")>-1){
			rm = rm.replace("\<","&lt;");
		}
		while(rm.indexOf("\>")>-1){
			rm = rm.replace("\>","&gt;");
		}
	return rm;
}

function tip(){
	try{
		var sKey = $id('searchKey').value.trim();
		if(sKey==null || sKey==''){
			$id('searchKey').value='请输入关键字';
		}
	}catch(ex){}
}


function promptTime(){};
promptTime.timeHand = null;
promptTime.id = null;
var opaciDistance = 10;
var opaciTimes = 1;

function promptTip(id){
	try{
		if (promptTime.timeHand != null){
	        clearPromptInterval();
	    }
	    $(id).style.display = "block";
		promptTime.id = id;
	   	promptTime.timeHand = window.setInterval(function(){move_step(id)},150);
	}catch(ex){}
}

function move_step(id){
	try{  		 
		var aim = $(id);   
	    if(navigator.userAgent.indexOf("MSIE")>0) {   
		  opa = aim.filters.item("Alpha").Opacity;
        } else{
          opa = parseFloat(aim.style.MozOpacity)*100;
        }
	    var nopa;
	    if (opaciTimes <= 5){ 
	        nopa = Number(opa) +  opaciDistance + 10;
	        opaciTimes = Number(opaciTimes)+1;
	    }else if (opaciTimes == 6){
	        nopa = Number(opa);
	  	    opaciTimes = Number(opaciTimes)+1;
	    }else{
	        nopa = Number(opa) -  opaciDistance;
	  	    opaciTimes = Number(opaciTimes)+1;
	    }
	    if(navigator.userAgent.indexOf("MSIE")>0) {   
	 		aim.filters.item("Alpha").Opacity=nopa;
        } else{
	        aim.style.MozOpacity=nopa*0.01;
        }
	  if (opaciTimes >= 16){
	  	
	    clearPromptInterval();
	  }
	}catch(ex){
	    clearPromptInterval();
	}
 
}


function clearPromptInterval()
{
	try{
        $(promptTime.id).style.display = "none";
	    window.clearInterval(promptTime.timeHand);
	    promptTime.timeHand = null;
    	promptTime.id = null;
	    opaciTimes = 0;
	}catch(ex){}
}
function goback(){
	history.go(-1);
}