var tab1 = document.getElementById('tab1').offsetHeight;
var tab2 = document.getElementById('tab2').offsetHeight;
var tab3 = document.getElementById('tab3').offsetHeight;
var left = document.getElementById('left').offsetHeight;
var right = document.getElementById('right').offsetHeight;
var rightDistance= document.getElementById('rightDistance').offsetHeight;
//alert(tab1 + ' '+tab2+ ' ' +tab3 +' '+rightDistance);

// Split the string into part [0] and part [1]
temp=navigator.appVersion.split('MSIE');

// Parse the string for the "6" in 6.0
ieVer=parseInt(temp[1]);

if(tab1!='undefined' && tab2!='undefined' && tab3!='undefined')
{
	rightHeight=tab2 + tab3  + rightDistance +29;
	
	//se height of left tab
	//alert(tab1+"  "+right+"   "+left);
	if(right >= left)
	{
		var dif=right-left;
		
		
		document.getElementById('tab1').style.height=tab1+"px";
		var oh=document.getElementById('tab1').offsetHeight;
		var realHeight=Math.round((tab1*tab1)/oh);
		var oh_h=realHeight-tab1;
		//alert(oh_h);
		//alert(tab1+ "  "+oh);
		
		//alert("A  "+realHeight+"   "+dif);
		if(ieVer==6){
			//alert(left+" "+right+" "+tab1+" "+oh+" "+realHeight);	
			document.getElementById('tab1').style.height=(realHeight +dif+oh_h+10) + 'px';
		}
		else 
		document.getElementById('tab1').style.height=(realHeight + dif + oh_h+9) + 'px';
	}
	//set height of right tab
	else 
	{
		var dif=left - right;
		
		document.getElementById('tab3').style.height=tab3+"px";
		var oh=document.getElementById('tab3').offsetHeight;
		var realHeight=Math.round((tab3*tab3)/oh);
		var oh_h=realHeight-tab3;
		//alert(oh_h);
		//alert("B  "+realHeight+"   "+dif);

		//t1=Math.round(dif/2);
		//t2=dif-t1;
		//document.getElementById('tab2').style.height=t1+tab2+'px';
		if(ieVer==6){
			document.getElementById('tab3').style.height=(realHeight + dif +oh_h + 10) + 'px';
		}
		else document.getElementById('tab3').style.height=(realHeight + oh_h+ dif +7) + 'px';
		document.getElementById('tab3').style.overflow='hidden';
	}
	
	/*var tab1 = document.getElementById('tab1').offsetHeight;
	var tab2 = document.getElementById('tab2').offsetHeight;
	var tab3 = document.getElementById('tab3').offsetHeight;
	var rightDistance= document.getElementById('rightDistance').offsetHeight;
	alert(tab1 + ' '+tab2+ ' ' +tab3 +' '+rightDistance);*/
}