/**
	 * Actual function that does all the work. Returns an array with all the info.
	 * My Assumption is that most of the browsers will have arial set as their default sans-serif font.
	 */
	var Detector = function(){
		var h = document.getElementsByTagName("BODY")[0];
		var d = document.createElement("DIV");
		var s = document.createElement("SPAN");
		d.appendChild(s);
		d.style.fontFamily = "sans-serif";		//font for the parent element DIV.
		s.style.fontFamily = "sans-serif";		//arial font used as a comparator.
		s.style.fontSize   = "72px";			//we test using 72px font size, we may use any size. I guess larger the better.
		s.innerHTML        = "mmmmmmmmmml";		//we use m or w because these two characters take up the maximum width. And we use a L so that the same matching fonts can get separated
		h.appendChild(d);
		var defaultWidth   = s.offsetWidth;		//now we have the defaultWidth
		var defaultHeight  = s.offsetHeight;	//and the defaultHeight, we compare other fonts with these.
		h.removeChild(d);
		/* test
		 * params:
		 * font - name of the font you wish to detect
		 * return: 
		 * f[0] - Input font name.
		 * f[1] - Computed width.
		 * f[2] - Computed height.
		 * f[3] - Detected? (true/false).
		 */
		function test(font) {
                       //font='Vidya';
			h.appendChild(d);
			var f = [];
			f[0] = s.style.fontFamily = font;	// Name of the font
			f[1] = s.offsetWidth;				// Width
			f[2] = s.offsetHeight;				// Height
			h.removeChild(d);
			font = font.toLowerCase();
			if (font == "arial" || font == "sans-serif") {
				f[3] = true;	// to set arial and sans-serif true
			} else {
				f[3] = (f[1] != defaultWidth || f[2] != defaultHeight);	// Detected?
                                
			}
                       
			return f;
		}
		this.test = test;
	}
	var fonts = [];
	
	function init() {

			var OS = navigator.platform.toLowerCase();
  			if (OS.indexOf("win") != -1) {
			d = new Detector();
               	if(d.test('Vidya')[3]){
                 	/*alert("1");*/
			window.location = 'http://www.nltr.org/SNLTR/'
			}
                	else{
                 /* Code to install your font comes here */
		/*alert("0");*/
			//alert ("Please download the bengali font & refresh your browser"); 
		  	//document.location.href="http://www.nltr.org/download/SNLTR_Fonts.exe";
			//window.location = 'http://www.nltr.org/font.html'
			window.location = 'http://www.nltr.org/SNLTR/index.php?option=com_content&task=view&id=101&Itemid=101'
		  

                 }
		}
	else {
	window.location = 'http://www.nltr.org/SNLTR/'
}

               
	}

Event.observe(window, 'load', init);