function doZoom(size) {
	$('ArticleBody').style.fontSize = size+'px';
}

function doPrint(){
	var csslink = document.getElementsByTagName('link');
	for (i=0; i<csslink.length; i++) {
		if (csslink[i].rel=='stylesheet') {
			csslink[i].disabled=true;
		}
	}
	
	printCSS = document.createElement("link");
	printCSS.id = 'printcss';
	printCSS.type = 'text/css';
	printCSS.rel = 'stylesheet';
	printCSS.href = siteUrl+'/css/print.css';
	
	var docHead = document.getElementsByTagName('head')[0];
	var mainCSS = csslink[0];
	docHead.insertBefore(printCSS,mainCSS);
	
	var articleTitle = document.getElementsByTagName('h1')[0];
	var cancelPrint = document.createElement("p");
	cancelPrint.id = 'cancelPrint';
	cancelPrint.style.textAlign = 'right';
	cancelPrint.innerHTML = '<a href="javascript:cancelPrint();" target="_self">返回</a>&nbsp;&nbsp;<a href="javascript:window.print();" target="_self">打印</a>';
	$('ContentText').insertBefore(cancelPrint,articleTitle);
	
	window.print();
}

function cancelPrint() {
	if (printCSS) {
		document.getElementsByTagName('head')[0].removeChild(printCSS);
	}
	
	var csslink = document.getElementsByTagName('link');
	for (i=0; i<csslink.length; i++) {
		if (csslink[i].rel=='stylesheet') {
			csslink[i].disabled=false;
		}
	}
	
	if ($('cancelPrint')) {
		$('ContentText').removeChild($('cancelPrint'));
	}
}

function GB2312UTF8(){
	this.Dig2Dec=function(s){
	      var retV = 0;
	      if(s.length == 4){
	          for(var i = 0; i < 4; i ++){
	              retV += eval(s.charAt(i)) * Math.pow(2, 3 - i);
	          }
	          return retV;
	      }
	      return -1;
	}
	this.Hex2Utf8=function(s){
	     var retS = "";
	     var tempS = "";
	     var ss = "";
	     if(s.length == 16){
	         tempS = "1110" + s.substring(0, 4);
	         tempS += "10" + s.substring(4, 10);
	         tempS += "10" + s.substring(10,16);
	         var sss = "0123456789ABCDEF";
	         for(var i = 0; i < 3; i ++){
	            retS += "%";
	            ss = tempS.substring(i * 8, (eval(i)+1)*8);
	            retS += sss.charAt(this.Dig2Dec(ss.substring(0,4)));
	            retS += sss.charAt(this.Dig2Dec(ss.substring(4,8)));
	         }
	         return retS;
	     }
	     return "";
	}
	this.Dec2Dig=function(n1){
	      var s = "";
	      var n2 = 0;
	      for(var i = 0; i < 4; i++){
	         n2 = Math.pow(2,3 - i);
	         if(n1 >= n2){
	            s += '1';
	            n1 = n1 - n2;
	          }
	         else
	          s += '0';
	      }
	      return s;     
	}
	
	this.Str2Hex=function(s){
	      var c = "";
	      var n;
	      var ss = "0123456789ABCDEF";
	      var digS = "";
	      for(var i = 0; i < s.length; i ++){
	         c = s.charAt(i);
	         n = ss.indexOf(c);
	         digS += this.Dec2Dig(eval(n));
	      }
	      return digS;
	}
	this.Gb2312ToUtf8=function(s1){
	    var s = escape(s1);
	    var sa = s.split("%");
	    var retV ="";
	    if(sa[0] != ""){
	      retV = sa[0];
	    }
	    for(var i = 1; i < sa.length; i ++){
	      if(sa[i].substring(0,1) == "u"){
	        retV += this.Hex2Utf8(this.Str2Hex(sa[i].substring(1,5)));
	   if(sa[i].length){
	    retV += sa[i].substring(5);
	   }
	      }
	      else{
	     retV += unescape("%" + sa[i]);
	   if(sa[i].length){
	    retV += sa[i].substring(5);
	   }
	   }
	    }
	    return retV;
	}
	this.Utf8ToGb2312=function(str1){
	        var substr = "";
	        var a = "";
	        var b = "";
	        var c = "";
	        var i = -1;
	        i = str1.indexOf("%");
	        if(i==-1){
	          return str1;
	        }
	        while(i!= -1){
	    if(i<3){
	                substr = substr + str1.substr(0,i-1);
	                str1 = str1.substr(i+1,str1.length-i);
	                a = str1.substr(0,2);
	                str1 = str1.substr(2,str1.length - 2);
	                if(parseInt("0x" + a) & 0x80 == 0){
	                  substr = substr + String.fromCharCode(parseInt("0x" + a));
	                }
	                else if(parseInt("0x" + a) & 0xE0 == 0xC0){ //two byte
	                        b = str1.substr(1,2);
	                        str1 = str1.substr(3,str1.length - 3);
	                        var widechar = (parseInt("0x" + a) & 0x1F) << 6;
	                        widechar = widechar | (parseInt("0x" + b) & 0x3F);
	                        substr = substr + String.fromCharCode(widechar);
	                }
	                else{
	                        b = str1.substr(1,2);
	                        str1 = str1.substr(3,str1.length - 3);
	                        c = str1.substr(1,2);
	                        str1 = str1.substr(3,str1.length - 3);
	                        var widechar = (parseInt("0x" + a) & 0x0F) << 12;
	                        widechar = widechar | ((parseInt("0x" + b) & 0x3F) << 6);
	                        widechar = widechar | (parseInt("0x" + c) & 0x3F);
	                        substr = substr + String.fromCharCode(widechar);
	                }
	     }
	     else {
	      substr = substr + str1.substring(0,i);
	      str1= str1.substring(i);
	     }
	              i = str1.indexOf("%");
	        }
	
	        return substr+str1;
	}
}