function pre()
{
a1=new Image(); a1.src="../images/header_1_02.jpg";
a2=new Image(); a2.src="../images/header_1_03.jpg";
a3=new Image(); a3.src="../images/header_1_04.jpg";
a4=new Image(); a4.src="../images/header_1_05_new.jpg";
}

pre();

function ovr(it,src,num){
	if (num==1) {
		document[src].src=a1.src;
		it.style.cursor='hand';
	}
	if (num==2) {
		document[src].src=a2.src;
		it.style.cursor='hand';
	}
	if (num==3) {
		document[src].src=a3.src;
		it.style.cursor='hand';
	}
	if (num==4) {
		document[src].src=a4.src;
		it.style.cursor='hand';
	}
}

function out(it,src,num){
	if (num==1) {
		document[src].src="../images/header_02.jpg";
		it.style.cursor='hand';
	}
	if (num==2) {
		document[src].src="../images/header_03.jpg";
		it.style.cursor='hand';
	}
	if (num==3) {
		document[src].src="../images/header_04.jpg";
		it.style.cursor='hand';
	}
	if (num==4) {
		document[src].src="../images/header_05_new.jpg";
		it.style.cursor='hand';
	}
}