�?/ JScript 文件

//字体大小
var status0='';
var curfontsize=12;
var curlineheight=20;

function fontZoomA(){
  if(curfontsize>8){
    document.getElementById('fontzoom').style.fontSize=(--curfontsize)+'pt';
    document.getElementById('fontzoom').style.lineHeight=(--curlineheight)+'pt';
	 }
}

function fontZoomB(){
  if(curfontsize<64){
	document.getElementById('fontzoom').style.fontSize=(++curfontsize)+'pt';
	document.getElementById('fontzoom').style.lineHeight=(++curlineheight)+'pt';
  }
}
function maskDialog()
{
    // public properties start
    this.mainForm;
    this.top="30";
    // public properties end
    
   
    this.showStatus=false; 
     
    if(typeof this.mainForm != "#ff0000" && this.mainForm != null)
    {
        this.mainForm.style.display="none";
    }  
    
    if(window.onresize)
    { 
        var evt=window.onresize; 
        window.onresize=function(){evt(); MaskDialog.resize();};   
    } 
    else
    {
        window.onresize=function(){MaskDialog.resize();};   
    }    
    
    if(window.onscroll) 
    {
        var evt=window.onscroll;  
        window.onscroll=function(){evt(); MaskDialog.scroll();};  
    }
    else
    {    
        window.onscroll=function(){MaskDialog.scroll();};  
    } 
    //隐藏蒙板效果
    this.hide=function()
    {
        var mask=document.getElementById("div_Mask");
        if(typeof mask != "undefined" && mask!=null)
        {
            var body = document.getElementsByTagName("body")[0];
            body.removeChild(mask);
        }   
        var ifr=document.getElementById("ifr_Mask");
        if(typeof ifr != "undefined" && ifr!=null)
        {
            var body = document.getElementsByTagName("body")[0];
            body.removeChild(ifr);
        }  
        if(typeof this.mainForm != "undefined" && this.mainForm != null)
        {
            this.mainForm.style.display="none";
        }    
        this.showStatus=false; 
    };
      //显示蒙板效果
    this.show=function()
    {
        var body = document.getElementsByTagName("body")[0];
        
        var pageDimensions=this.getPageDimensions();
        var sheet = document.createElement("div");
        sheet.setAttribute("id","div_Mask");
        sheet.style.position="absolute";
        sheet.style.left="0px";
        sheet.style.top="0px";
        sheet.style.zIndex="999"; 
        sheet.style.width=pageDimensions[0] + "px";
        sheet.style.height=pageDimensions[1] + "px";

        var ifr = document.createElement("iframe");
        ifr.setAttribute("id","ifr_Mask");
        ifr.style.position="absolute";
        ifr.style.display="block";
        ifr.style.zIndex="998";
        ifr.width=pageDimensions[0];
        ifr.height=pageDimensions[1];
        ifr.scrolling="no";
        ifr.frameborder="10px"; 
        ifr.style.left="0px"; 
        ifr.style.top="0px";  
            
        body.appendChild(ifr);  
        body.appendChild(sheet);  

        if(typeof this.mainForm != "undefined" && this.mainForm != null)
        {
            this.mainForm.style.display="block";
            this.mainForm.style.zIndex="1000"; 
        } 

        this.showStatus=true; 
       
        this.scroll();  
    };
   
    this.resize=function()
    {
        if(this.showStatus==false)
        {
            return;
        } 
        var mask=document.getElementById("div_Mask");
        var ifr=document.getElementById("ifr_Mask"); 
        if(typeof mask != "undefined" && mask != null && typeof ifr != "undefined" && ifr != null )
        {
            var body = document.getElementsByTagName("body")[0];
            var pageDimensions=this.getPageDimensions();
            mask.style.width=pageDimensions[0] + "px";
            mask.style.height=pageDimensions[1] + "px"; 
            ifr.width=pageDimensions[0];
            ifr.height=pageDimensions[1];  
           
            this.scroll();  
        } 
    }; 
   
    this.scroll=function()
    {
        if(this.showStatus==false)
        {
            return;
        }    
        if(typeof this.mainForm != "undefined" && this.mainForm != null)
        {
            var pageDimensions=this.getPageDimensions();
             
            this.mainForm.style.position="absolute"; 
            this.mainForm.style.top=document.documentElement.scrollTop + "px"; 
            if(typeof this.mainForm.style.width == "undefined" || this.mainForm.style.width=="")
            {
                this.mainForm.style.width=pageDimensions[0] /2 + "px";
            }
            var newLeft= pageDimensions[0] / 2 - parseInt(this.mainForm.style.width,10) /2
            var newTop= document.documentElement.scrollTop + parseInt(this.top); 
            this.mainForm.style.left= 300 + "px"; 
            this.mainForm.style.top= 300 + "px";  
        }  
    };   
   
    this.getPageDimensions=function()
    {
        var body = document.getElementsByTagName("body")[0];
        var bodyOffsetWidth = 0;
        var bodyOffsetHeight = 0;
        var bodyScrollWidth = 0;
        var bodyScrollHeight = 0;
        var pageDimensions = [0,0];
       
        pageDimensions[0]=document.documentElement.clientWidth; 
        pageDimensions[1]=document.documentElement.clientHeight; 
       
        bodyOffsetWidth=body.offsetWidth;
        bodyOffsetHeight=body.offsetHeight;
        bodyScrollWidth=body.scrollWidth;
        bodyScrollHeight=body.scrollHeight;

        if(bodyOffsetWidth > pageDimensions[0])
        {
            pageDimensions[0]=bodyOffsetWidth;
        }    
       
        if(bodyOffsetHeight > pageDimensions[1])
        {
            pageDimensions[1]=bodyOffsetHeight;
        }    
       
        if(bodyScrollWidth > pageDimensions[0])
        {
            pageDimensions[0]=bodyScrollWidth; 
        }     
       
        if(bodyScrollHeight > pageDimensions[1])
        {
            pageDimensions[1]=bodyScrollHeight;
        }   

        return pageDimensions; 
    };
    
    return true;
}
var MaskDialog=new maskDialog();