function checkSizeCookie(whereToGo) {

	if(document.cookie.indexOf('sizeCode') == -1) {
	
		document.cookie='sizeCode=' + getSizeCode() ;
		window.location.href = whereToGo ;
		
	} else {
	
		var sizeCodeStart = document.cookie.indexOf('sizeCode=') ;
		var cookieSizeCode = document.cookie.substring(sizeCodeStart + 9, sizeCodeStart + 12) ;
		var sizeCode = getSizeCode() ;
		if(sizeCode.toInt() != cookieSizeCode.toInt()) {

			document.cookie='sizeCode=' + getSizeCode() ;
			window.location.href = whereToGo ;
			
		}
		
	}
	
}

function getSizeCode() {

	var size = window.getSize() ;
	var sizeCode ;
	
	if(size.y >= 800) {
	
		sizeCode = '800' ;
		
	} else if(size.y >= 600) {
	
		sizeCode = '600' ;
		
	} else if(size.y >= 494) {
	
		sizeCode = '494' ;
	
	} else {
		sizeCode = '493' ;
	}
	
	switch (sizeCode) {
	case '800' :
		if(size.x >= 1294) break ;
		sizeCode = '600' ;
	case '600' :
		if(size.x >= 970) break ;
		sizeCode = '494' ;
	case '494' :
		if(size.x >= 800) break ;
		sizeCode = '493' ;
	default :
	}

	return sizeCode ;
	
}