/* JSKLayers constructor */
function h(){
	
	if (document.getElementById("col_1")){
		var c1=layer("col_1");
	    col1=c1.getHeight(c1);
	} else {
		var col1=0;
	}
            
    
    if (document.getElementById("col_2")) {
		var c2=layer("col_2");
	    col2=c2.getHeight(c2);
	} else {
		var col2=0;
	}
            
    
    if (document.getElementById("col_3")) {
		var c3=layer("col_3");
	    col3=c3.getHeight(c3);
	} else {
		var col3=0;
	}
            
    if(col1 > col2) {
		if(col3 > col1) {
			document.getElementById('col_2').style.height = col3+'px';
			document.getElementById('col_1').style.height = col3+'px';
			document.getElementById('col_3').style.height = col3+'px';
		} else {
			document.getElementById('col_2').style.height = col1+'px';
			if(col3) {
				document.getElementById('col_3').style.height = col1+'px';
			}
			document.getElementById('col_1').style.height = col1+'px';	
		}
	} 
	else {
		if(col3 > col2) {
			document.getElementById('col_2').style.height = col3+'px';
			document.getElementById('col_1').style.height = col3+'px';
			document.getElementById('col_3').style.height = col3+'px';
		} else {
			if(col3) {				
				document.getElementById('col_3').style.height = col2+'px';
			}
			if(col1) {
				document.getElementById('col_1').style.height = col2+'px';
			}
			document.getElementById('col_2').style.height = col2+'px';
		}
	}
}