// JavaScript Document

function rand_header()
	{
		var maxnumber = 6;
		var randnum  = 1 + Math.floor( Math.random( ) * (maxnumber) )
		
		if (randnum==1){
			document.getElementById('random_header_bg').className = "h_01";
		}
		if (randnum==2){
			document.getElementById('random_header_bg').className = "h_02";
		}
		if (randnum==3){
			document.getElementById('random_header_bg').className = "h_03";
		}
		if (randnum==4){
			document.getElementById('random_header_bg').className = "h_04";
		}
		if (randnum==5){
			document.getElementById('random_header_bg').className = "h_05";
		}
		if (randnum==6){
			document.getElementById('random_header_bg').className = "h_06";
		}
		if (randnum==7){
			document.getElementById('random_header_bg').className = "h_07";
		}
	}

onload = rand_header;