var actual_image=0;
var images_to_load=Array();

for (i=0;i<121;i++)
	{
		j=i+1;
		images_to_load[i]='imagini/'+j+'.jpg';
	}

function change_image(direction)
{
	switch (direction)
	{
		case "+":
			if (121 > (actual_image+1))
			{
				actual_image++;
				document.getElementById("image_place").src = images_to_load[actual_image];
			}
		break;
		case "-":
			if (actual_image>0)
			{
				actual_image--;
				document.getElementById("image_place").src = images_to_load[actual_image];
			}
		break;
	}
}