function preloader(){
if(window.status="Done"){
if(navigator.appName.indexOf("Microsoft")!= -1){
	document.getElementById('pre_page').style.filter="alpha(opacity:100)";
	document.getElementById('loader').style.filter="alpha(opacity:0)";
}
else{
	document.getElementById('pre_page').style.opacity=1;
	document.getElementById('loader').style.opacity=0;
}
	document.getElementById('pre_page').style.visibility="";
	document.getElementById('loader').style.visibility="hidden";
}
else{
	document.getElementById('pre_page').style.visibility="hidden";
	document.getElementById('loader').style.visibility="";	
}
}