$(document).ready(function(){
	var proccess = false;
	function replaceCorpGauche(){
		if(typeof(launchReplaceCorpGauche) != 'undefined')
			clearTimeout(launchReplaceCorpGauche);
		
		if(navigator.appName == 'Microsoft Internet Explorer'){
			if(typeof($("#accueil").height()) != 'undefined' && parseInt($("#accueil").height()))
				var offset = 50;
			else
				var offset = 200;
		}else{
			if(typeof($("#accueil").height()) != 'undefined' && parseInt($("#accueil").height()))
				var offset = 70;
			else
				var offset = 190;
		}
		
		var top = parseInt($(document).scrollTop()) - offset;
		top = (top < 0) ? 0 : top;
		
		if(top != $('#corpGauche').css('margin-top')){
			$('#corpGauche').animate({marginTop : top+'px'}, 'slow', function(){
				proccess = false;
			});
		}else
			proccess = false;
	}
	
	$(window).scroll(function(){
		if(proccess == false){
			proccess = true;
			launchReplaceCorpGauche = setTimeout(function(){
				replaceCorpGauche();
			}, 500);
		}
	});
});