function changemodel(id){
	switch (id) {
		case 'ibiza_intro': 
		document.getElementById('ch_intro').innerHTML = document.getElementById('ibiza_intro').innerHTML;
		break;
		
		case 'ibiza_sc_intro': 
		document.getElementById('ch_intro').innerHTML = document.getElementById('ibiza_sc_intro').innerHTML;
		break;
		
		case 'leon_intro': 
		document.getElementById('ch_intro').innerHTML = document.getElementById('leon_intro').innerHTML;
		break;
		
		case 'altea_intro': 
		document.getElementById('ch_intro').innerHTML = document.getElementById('altea_intro').innerHTML;
		break;	
		
		case 'altea_xl_intro': 
		document.getElementById('ch_intro').innerHTML = document.getElementById('altea_xl_intro').innerHTML;
		break;	
		
		case 'altea_freetrack_intro': 
		document.getElementById('ch_intro').innerHTML = document.getElementById('altea_freetrack_intro').innerHTML;
		break;	
		
		case 'exeo_intro': 
		document.getElementById('ch_intro').innerHTML = document.getElementById('exeo_intro').innerHTML;
		break;	
		
		case 'alhambra_intro': 
		document.getElementById('ch_intro').innerHTML = document.getElementById('alhambra_intro').innerHTML;
		break;	
		
		case 'ch_intro_def': 
		document.getElementById('ch_intro').innerHTML = document.getElementById('ch_intro_def').innerHTML;
		break;		
		}

}

function preloader() 

{
     // counter
     var i = 0;


     // create object
     imageObj = new Image();


     // set image list
     images = new Array();
     images[0]="images/ou-ibiza-sc.jpg"
     images[1]="images/ou-exeo.jpg"
     images[2]="images/ou-altea_xl.jpg"
     images[3]="images/ou-altea_frtr.jpg"


     // start preloading
     for(i=0; i<=3; i++) 
     {
          imageObj.src=images[i];
     }



}