if (document.images) {
	
    m1_cold = new Image();
	m1_cold.src = 'images/index_04.jpg'
	m1_hot = new Image();
	m1_hot.src = 'images/index_hot_04.jpg'

    m2_cold = new Image();
	m2_cold.src = 'images/index_05.jpg'
	m2_hot = new Image();
	m2_hot.src = 'images/index_hot_05.jpg'

    m3_cold = new Image();
	m3_cold.src = 'images/index_06.jpg'
	m3_hot = new Image();
	m3_hot.src = 'images/index_hot_06.jpg'

    m4_cold = new Image();
	m4_cold.src = 'images/index_07.jpg'
	m4_hot = new Image();
	m4_hot.src = 'images/index_hot_07.jpg'

    m5_cold = new Image();
	m5_cold.src = 'images/index_08.jpg'
	m5_hot = new Image();
	m5_hot.src = 'images/index_hot_08.jpg'

    m6_cold = new Image();
	m6_cold.src = 'images/index_09.jpg'
	m6_hot = new Image();
	m6_hot.src = 'images/index_hot_09.jpg'

    m7_cold = new Image();
	m7_cold.src = 'images/index_10.jpg'
	m7_hot = new Image();
	m7_hot.src = 'images/index_hot_10.jpg'

    
function hot() {
	var img = hot.arguments;
	for (var i=0; i<img.length; i+=2) {
    	  eval( 'document.' + img[i] + '.src = ' + img[i+1]  + '_hot.src' ) ; 
	}
}

function cold() {
	var img = cold.arguments;
	for (var i=0; i<img.length; i+=2) {
    	  eval( 'document.' + img[i] + '.src = ' + img[i+1]  + '_cold.src' ) ; 
	}
}
}