function detect() {
	
	var d = document;


		
	if(navigator.userAgent.indexOf("Firefox")!=-1){
var versionindex=navigator.userAgent.indexOf("Firefox")+8
if (parseInt(navigator.userAgent.charAt(versionindex))>=1)

	return false;
	
	

}  	else if (navigator.appVersion.indexOf("Safari")!=-1) {
					
	
	navigator.appVersion.indexOf('Safari');
	var versionIndex1 = navigator.appVersion.indexOf("Safari")+7
	if(parseInt(navigator.appVersion.charAt(versionIndex1))>=1)
	
	d.write('<link rel = "stylesheet" type = "text\/css" href = "framework\/safari.css" />');
		
	
}		else if  (navigator.appName.indexOf("Microsoft")!=-1) {
		
		if (navigator.appName == 'Microsoft Internet Explorer')
		  {
  		  var ua = navigator.userAgent;
  		  var re  = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
  			  if (re.exec(ua) != null)
    		  rv = parseFloat( RegExp.$1 );
		var ver = rv;
	
	if ( ver <= 6.0 ) {
   		   
		   //alert("version 6.0");
		  return false;
		   
		//  document.write("Your screen resolution is " + screen.width + "x" + screen.height + ".");
	} else  { // all other ie browsers browsers 
	
	
	
		
	return false;
	
	
	
	
	}
		 }
		 
	}


	}
 
	
	
	
detect();