Progress bar using timing statistics.

script.js

@@ -24,3 +24,41 @@ function Element_ToggleVisibility(element){
 	}
 }
 
+function DropDown_GetValue(dropdown){
+	return dropdown.options[dropdown.selectedIndex].value;
+}
+
+function ShowProgressDialog(){
+	var divLoadBack=GetElement("divLoadBack");
+	var divLoading=GetElement("divLoading");
+	
+	var hidScanDevice=GetElement("hidScanDevice");
+	var ddlResolution=GetElement("ddlResolution");
+	var ddlFormat=GetElement("ddlFormat");
+	var ddlSize=GetElement("ddlSize");
+	
+	Element_SetVisibility("divLoadBack",true);
+	
+	var keyValue=
+		hidScanDevice.value+"_"+
+		DropDown_GetValue(ddlResolution)+"_"+
+		DropDown_GetValue(ddlFormat)+"_"+
+		DropDown_GetValue(ddlSize);
+	var startTime=new Date().getTime() / 1000;
+	var estimatedTime=0;
+	if(timings.hasOwnProperty(keyValue)){
+		estimatedTime=timings[keyValue];
+	}
+	var divProgressBar=GetElement("divProgressBar");
+	
+	var timerFunction=function(){
+		var timeNow=new Date().getTime() / 1000;
+		var value=(timeNow-startTime)/estimatedTime;
+		if(value>1.0){value=1.0;}
+		if(value<0){value=0;}
+		divProgressBar.style.width=parseInt(value*100)+"%";
+		
+		window.setTimeout(timerFunction,300);
+	};
+	window.setTimeout(timerFunction,300);
+}