function clickclear(thisfield, defaulttext) {
	if (thisfield.value == defaulttext) {
		thisfield.value = "";
	}
}

function clickrecall(thisfield, defaulttext) {
	if (thisfield.value == "") {
		thisfield.value = defaulttext;
	}
}

function openIndex(){
	var height = window.screen.height;
	var width = 650; 
	//half the screen width minus half the new window width (plus 5 pixel borders).
	var left = (window.screen.width/2) - (width/2);
	//half the screen height minus half the new window height (plus title and status bars).
	var top = (window.screen.height/2) - (height/2);
	var w = (window.open("http://www.sapcloudcomputing.com/price/calcparam.php",'_blank',"height="+(height-50)+",width="+width+",left="+left+",top="+top+",status=no,toolbar=no,menubar=no,titlebar=no,location=no,scrollbars=yes"));
}

if (navigator.appName == "Microsoft Internet Explorer"){

        if (navigator.appVersion.substring(22,23) < "8" && navigator.appVersion.substring(22,23) > "6"){
			document.write("<link href='/css2/patch_ie7.css' rel='stylesheet' type='text/css' />" );
        }
        if (navigator.appVersion.substring(22,23) < "7"){
			document.write("<script type='text/javascript' src='/js/iepngfix_tilebg.js'></script>" );
			document.write("<link href='/css2/patch_ie6.css' rel='stylesheet' type='text/css' />" );
        }
}