/* rollover */

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

/* Loading Images */
var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		continue_large_over = newImage("images/buttons/continue-large-over.gif");
		STTA_small_over = newImage("images/buttons/STTA-small-over.gif");
		UandC_over = newImage("images/buttons/UandC-large-over.gif");
		signIn_over = newImage("images/buttons/signIn-large-over.gif");
		CanA_over = newImage("images/buttons/CanA-large-over.gif");
		// Nav's images added by sushil
		USCitizenship_over = newImage("images/nav/USCitizenship-over.gif");
		FamilyVisas_over = newImage("images/nav/FamilyVisas-over.gif");
		GreenCards_over = newImage("images/nav/GreenCards-over.gif");		
		OtherVisas_over = newImage("images/nav/OtherVisas-over.gif");		
		StudentVisas_over = newImage("images/nav/StudentVisas-over.gif");		
		USCISForms_over = newImage("images/nav/USCISForms-over.gif");		
		VisitorVisas_over = newImage("images/nav/VisitorVisas-over.gif");		
		WorkVisas_over = newImage("images/nav/WorkVisas-over.gif");
		preloadFlag = true;
	}
}

/* External Pop-up Window*/

function Popup_ext(file,width,height,left,top)
{
        if (navigator.appName == "Microsoft Internet Explorer") { width=width+0; height=height+0;}
 		if (parseInt(navigator.appVersion) < 4){width=width+0;height=height+0;}
		newWindow = window.open(file,"PopupWindow","dependent=yes,toolbar=no,location=no,status=no,scrollbars=no,resizable=no,width="+width+",height="+height+",left="+left+",top="+top);
		if (navigator.appName == "Netscape" && parseInt(navigator.appVersion) < 3)
	window.open(windowLoc,"PopupWindow","status=no,scrollbars=no,resizable=no,width="+width+",height="+height+",left="+left+",top="+top);
    	if (parseInt(navigator.appVersion) >= 3 && navigator.appName == "Netscape")
        newWindow.focus();
}


//
// Function to open any content in a popup window
//

function popupWin(file,width,height) 
{
	if (navigator.appName == "Microsoft Internet Explorer") { width=width+20; height=height+20;}

	if (parseInt(navigator.appVersion) < 4)  
	{ 
		width=width+20; 
		height=height+20; 
	}

	newWindow = window.open(file,"PopupWindow","dependent=yes,toolbar=no,location=no,status=no,scrollbars=yes,resizable=no,width="+width+",height="+height);


	if (navigator.appName == "Netscape" && parseInt(navigator.appVersion) < 3) 
window.open(windowLoc,"PopupWindow","status=no,scrollbars=yes,resizable=no,width="+width+",height="+height);


	if (parseInt(navigator.appVersion) >= 3 && navigator.appName == "Netscape")
	newWindow.focus();

}