function DrawImage(ImgD,FitWidth,FitHeight){
     var image=new Image();
     image.src=ImgD.src;
     if(image.width>0){
     if(image.width>0 && image.height>0){
         if(image.width/image.height>= FitWidth/FitHeight){
             if(image.width>FitWidth){
                 ImgD.width=FitWidth;
                 ImgD.height=(image.height*FitWidth)/image.width;
             }else{
                 ImgD.width=image.width;
                 ImgD.height=image.height;
             }
         }else{
             if(image.height>FitHeight){
                 ImgD.height=FitHeight;
                 ImgD.width=(image.width*FitHeight)/image.height;
             }else{
                 ImgD.width=image.width;
                 ImgD.height=image.height;
             }
         }
     }}else{
     	ImgD.width=0;
        ImgD.height=0;
     }
 }
function gbcount(event,content,total,remain) {
	var max = total;
	if (document.getElementById(content).value.length > total) {
		document.getElementById(remain).innerHTML = 0;
		document.getElementById(content).value = document.getElementById(content).value.substring(0,max-parseInt(document.getElementById(remain).innerHTML))	
	}
	else
	{
		document.getElementById(remain).innerHTML = max - document.getElementById(content).value.length;
	}
}
function keyenter(evt,content,total,remain)
{
	evt = (evt)?evt:event;
	var max = total;
	if(evt.keyCode == 8 || evt.keyCode==46)evt.preventDefault = true;
	if(evt.keyCode == 13)
	{	
		if (document.getElementById(content).value.length+2 > total)
		{
			if(evt.preventDefault)  evt.preventDefault();
			else evt.returnValue=false;
		}
	}
}