function newsChange(news,zbuffer){
	news.currentWidth = 216;
	corps = getId('corps');
	corpsCont = getId('corps_b_cont');
	corps.currentWidth = corps.style.width = 416;
	corpsCont.currentWidth = corpsCont.style.width = corps.currentWidth - 80;
	news.style.zIndex = (zbuffer);
	var newsDiv = news.getElementsByTagName('div');
	news.onmouseover = function() {
		doWidthChangeMem(this,this.currentWidth,384,25,16,0.5);
		doWidthChangeMem(corps,corps.currentWidth,256,20,16,0.5);
		doWidthChangeMem(corpsCont,corpsCont.currentWidth,176,20,16,0.5);
		this.style.zIndex *= 10; 
		for (var i = 0 ; i < newsDiv.length ; ++i) {
			//alert (i+'_'+newsDiv[i].className);
			if (newsDiv[i].style.backgroundPosition[0] == 'l'){
				newsDiv[i].style.backgroundPosition = "left bottom";
			} else {
				newsDiv[i].style.backgroundPosition = "right bottom";
			}
		}
		newsDiv[0].style.backgroundPosition = "left bottom";
	};
	news.onmouseout = function() {
		doWidthChangeMem(this,this.currentWidth,216,25,16,0.8);
		doWidthChangeMem(corps,corps.currentWidth,416,20,16,0.8);
		doWidthChangeMem(corpsCont,corpsCont.currentWidth,336,20,16,0.8);
		this.style.zIndex /= 10;
		for (var i = 0 ; i < newsDiv.length ; ++i) {
			if (newsDiv[i].style.backgroundPosition[0] == 'l'){
				newsDiv[i].style.backgroundPosition = "left top";
			} else {
				newsDiv[i].style.backgroundPosition = "right top";
			}
		}
		newsDiv[0].style.backgroundPosition = "left top";
	};
}